The Audio Codec 1997 (AC97) interface let you connect audio devices to AVR32.
Please refer the datasheet for the AVR32 processor on you daughter board for a description of these signals
Signal | Description |
---|---|
AC97_SDO | Transmitter data |
AC97_SDI | Receiver data |
AC97_SYNC | 48 KHz frame indicator |
AC97_SCLK | 12.288 MHz bit-rate clock |